US Trademark Classification (Classes 01–45)

Data version: USPTO Trademark ID Manual (Acceptable Identification of Goods and Services), applying the Nice Classification, 13th edition (NCL 13-2026). Official data retrieved on 1 October 2026 and published on this site the same day: 71,543 entries (including 2,932 example entries). Term IDs, classes, English descriptions, status and effective dates follow the USPTO; Chinese terms are J&C reference translations. The "version" shown for each entry is the Nice edition under which it was added or last modified. We synchronise with the USPTO periodically; the next update is planned for January 2027. Translation revision: 13 October 2026. Reviewed Chinese reference notes are available for 6,984 entries; other substantive notes are shown in the official English.

Filing a trademark in the United States? See our guide: Trademark registration in the United States

Class	Item No.	Chinese	English
31	031-1420	风干猫粮	Air-dried cat food
31	031-1421	风干狗粮	Air-dried dog food
31	031-1422	风干宠物食品	Air-dried pet food
31	031-1423	冻干宠物食品	Freeze-dried pet food
31	031-1424	蒸制猫粮	Steamed cat food
31	031-1425	蒸制狗粮	Steamed dog food
31	031-1426	蒸制宠物食品	Steamed pet food
31	031-1427	用作餐食浇头的{指明，例如脂肪、营养素、蛋白质等}强化宠物食品	Pet foods enhanced with {specify, e.g., fats, nutrients, protein, etc.} for use as meal toppings
31	031-1428	活饲料昆虫	Live feeder insects
31	031-1429	用作动物饲料的玉米麸	Corn bran for use as animal fodder
31	031-1430	主要由纸组成、另含{指明，例如纤维素、稻草、木屑等}的动物垫料	Animal bedding consisting primarily of paper and also including {specify, e.g., cellulose, straw, wood chips, etc.}
31	031-1431	主要由稻草组成、另含{指明，例如纤维素、纸、木屑等}的动物垫料	Animal bedding consisting primarily of straw and also including {specify, e.g., cellulose, paper, wood chips, etc.}
31	031-176	动物垫料用碎稻草	Chopped straw for animal bedding
31	031-18	宠物饮料	Pet beverages
31	031-195	猫砂	Cat litter
31	031-240	花卉种子	Seeds for flowers
31	031-257	草籽	Grass seeds
31	031-259	活饵	Live baits
31	031-267	动物饮料	Animal beverages
31	031-305	新鲜洋葱	Fresh onions
31	031-309	鲜卷心菜	Fresh cabbage
31	031-317	甘蔗	Sugar cane
31	031-328	活灌木	Live shrubs
31	031-375	鲜辣椒	Fresh chilies
31	031-383	新鲜水果	Fresh fruit